Home / 28,124,555.84-42,118,039.20-25,398,261.44

Finding the Fourth Proportional to 28,124,555.84, 42,118,039.20 and 25,398,261.44

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Solution

The fourth proportional to 28,124,555.84, 42,118,039.20 and 25,398,261.44 is: 38,035,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,555.84 : 42,118,039.20 = 25,398,261.44 : x
  2. Step 2: Convert to fraction form
    28,124,555.84/42,118,039.20 = 25,398,261.44/x
  3. Step 3: Cross multiply
    28,124,555.84x = 42,118,039.20 × 25,398,261.44
  4. Step 4: Simplify right side
    28,124,555.84x = 1,069,724,970,941,768.62
  5. Step 5: Solve for x
    x = 1,069,724,970,941,768.62/28,124,555.84
  6. Step 6: Final answer
    x = 38,035,266.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.